This is an acronym meaning “fucking fantastic” or “fucking fascinating”, depending on the context. Both can be used literally or sarcastically.
Usage 1: Well ain’t that just FF, we have to start all over again!!!

Usage 2: Omg, that is FF, I never knew that about anthropology!
by LingDanc803 February 1, 2023
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For fuck sake.
Fighting for science.
Fire fighter soup.
Finding fair sleep.
Friends for sure.
Friction' for sissies.
Fun facial sauce.
Fuck for sale.
Friends for sex.
FUCK FUCK SHIT!!!!
Fuck fucking seagulls.
Fish for sale.
Female facial spray.
FFS-it's it's own definition.
Faggots fugly secrets.
ZOMFG! WTF DAT NWB JUST KILLED ME WITH A GOD DAMN ROCKET LAUNCHER! !FUCKING NOOBS FFS! GTFO YOU ROCKETWHORE! LRN2PRO SUCKZOR. I'll stick my hand down your throat, rip out your spine and whip you with it, hang you with it and beat you to death with your own skull!!!

*proceeds to teabag remains of noob and kills noob again as he tries to sneak up on you*
by Wings of Lead January 21, 2008
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The Berkeley "Fast File System," originally introduced in the 1984. Commonly used in implementations of BSD everywhere as a lower layer of UFS (alongside LFS).
I've got softdep toggled on my FFS partitions so, without the overhead of journalling, I can still reduce the chance of mangled data during crashes!
by anonymoso September 26, 2006
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An acronym for forever flat (breast)
She will all ways be
FF
by Duane427 August 4, 2019
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jack: when will people learn the meaning of ffs
bob: i agree for fuck sake people keep asking
by loltehrealpawnd November 12, 2011
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